Home / 11,164.62-15,409.41-6,691.02

Finding the Fourth Proportional to 11,164.62, 15,409.41 and 6,691.02

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Solution

The fourth proportional to 11,164.62, 15,409.41 and 6,691.02 is: 9,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.62 : 15,409.41 = 6,691.02 : x
  2. Step 2: Convert to fraction form
    11,164.62/15,409.41 = 6,691.02/x
  3. Step 3: Cross multiply
    11,164.62x = 15,409.41 × 6,691.02
  4. Step 4: Simplify right side
    11,164.62x = 103,104,670.50
  5. Step 5: Solve for x
    x = 103,104,670.50/11,164.62
  6. Step 6: Final answer
    x = 9,234.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.